Home / 21,508,728,246.30-32,263,092,369.45-12,210,636,510.30

Finding the Fourth Proportional to 21,508,728,246.30, 32,263,092,369.45 and 12,210,636,510.30

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Solution

The fourth proportional to 21,508,728,246.30, 32,263,092,369.45 and 12,210,636,510.30 is: 18,315,954,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,728,246.30 : 32,263,092,369.45 = 12,210,636,510.30 : x
  2. Step 2: Convert to fraction form
    21,508,728,246.30/32,263,092,369.45 = 12,210,636,510.30/x
  3. Step 3: Cross multiply
    21,508,728,246.30x = 32,263,092,369.45 × 12,210,636,510.30
  4. Step 4: Simplify right side
    21,508,728,246.30x = 393,952,893,621,587,476,480
  5. Step 5: Solve for x
    x = 393,952,893,621,587,476,480/21,508,728,246.30
  6. Step 6: Final answer
    x = 18,315,954,765.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.